As one of the broadest probes of wrongdoing in the history of San Jose government begins, ethical and legal scholars are questioning if the independent investigator assigned by the city to conduct the inquiry is fit to do so -- especially if it means looking into the actions of City Attorney Rick Doyle. Doyle's office has paid the outside investigator -- San Francisco law firm Hanson Bridgett -- more than $174,000 over the past four years to examine ethics complaints filed with the city. The council last week chose the firm to investigate whether the mayor, city manager, Doyle or...